4019774
Heat Assembly Exchanger
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$42,831.89 $51,169.94

Oversize Item

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This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 4019774 Heat Exchanger Assembly is a component designed to facilitate efficient heat transfer in commercial truck operations. Its role is significant in maintaining optimal engine performance and ensuring the longevity of the vehicle’s cooling system. This assembly is integral to the overall efficiency and reliability of commercial trucks, contributing to their operational effectiveness.

Basic Concepts of Heat Exchanger Assemblies

A heat exchanger assembly is a system that transfers heat between two or more fluids of different temperatures. In the context of a truck’s cooling system, it allows for the efficient dissipation of heat generated by the engine, ensuring that the engine operates within its optimal temperature range. The principles behind its operation involve the transfer of thermal energy without mixing the fluids, typically through conduction across a solid barrier 1.

Purpose of the 4019774 Heat Exchanger Assembly

The 4019774 Heat Exchanger Assembly plays a role in the engine cooling system by facilitating the transfer of heat from the engine coolant to the ambient air. This process helps in maintaining the engine’s temperature, which is vital for its efficiency and durability. Additionally, it contributes to the overall thermal management of the truck, impacting other systems that rely on stable temperature conditions 2.

Key Features

The 4019774 Heat Exchanger Assembly is characterized by its robust design and the use of high-quality materials. These features enhance its durability and efficiency. The assembly is engineered to withstand the demanding conditions of commercial truck operations, ensuring reliable performance over time. Its design also allows for efficient heat transfer, contributing to the overall cooling effectiveness of the system 3.

Benefits

The benefits of the 4019774 Heat Exchanger Assembly include improved engine efficiency and enhanced cooling performance. By maintaining optimal engine temperatures, it contributes to the overall reliability and performance of the truck. Additionally, its efficient operation can lead to potential cost savings for fleet operators by reducing the need for frequent maintenance and repairs associated with overheating issues.

Installation Process

Installing the 4019774 Heat Exchanger Assembly involves several steps to ensure proper integration into the truck’s cooling system. Prerequisites include ensuring the truck is on a level surface and the engine is cool. Tools required may include wrenches, screwdrivers, and possibly a hoist for easier access. The process involves disconnecting the old assembly, cleaning the mounting area, and securely installing the new assembly, ensuring all connections are tight and secure.

Maintenance Tips

To ensure the optimal performance and longevity of the 4019774 Heat Exchanger Assembly, regular maintenance is recommended. This includes inspecting the assembly for any signs of damage or wear, cleaning it to remove any debris that may obstruct airflow, and checking the connections for tightness. Regular maintenance helps in identifying potential issues early, ensuring the assembly continues to operate efficiently.

Troubleshooting Common Issues

Common issues with the 4019774 Heat Exchanger Assembly may include reduced cooling efficiency or physical damage to the assembly. Troubleshooting steps involve inspecting the assembly for any visible damage, checking the connections for tightness, and ensuring there is no obstruction to airflow. If issues are detected, addressing them promptly can help in maintaining the efficiency of the cooling system.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a strong reputation in the commercial truck industry. The company’s products are known for their reliability, efficiency, and durability, making them a preferred choice for fleet operators worldwide.

Cummins Heat Exchanger Assembly 4019774 Compatibility

The Cummins Heat Exchanger Assembly part number 4019774 is designed to fit seamlessly with various engine models, ensuring optimal performance and efficiency. This part is engineered to meet the specific thermal management needs of the engines it is compatible with.

K19 Series

The K19 series engines benefit from the precise thermal management capabilities of the 4019774 Heat Exchanger Assembly. This part is integral in maintaining the engine’s operating temperature, ensuring that the engine runs smoothly and efficiently. The design of the 4019774 ensures that it fits perfectly within the engine’s architecture, providing the necessary heat exchange without compromising on space or performance.

Integration and Installation

When installing the 4019774 Heat Exchanger Assembly in the K19 series engines, it is crucial to follow the manufacturer’s guidelines to ensure a proper fit and function. The assembly is designed to integrate with the engine’s cooling system, facilitating efficient heat transfer and dissipation. Proper installation is key to maximizing the benefits of this component, ensuring that the engine operates at peak efficiency and longevity.

Performance Benefits

The 4019774 Heat Exchanger Assembly offers several performance benefits when used with the K19 series engines. By effectively managing the engine’s heat, it helps to reduce the risk of overheating, which can lead to engine damage. Additionally, this part contributes to improved fuel efficiency and reduced emissions, making it an essential component for maintaining the engine’s overall performance and environmental compliance.

Understanding the Integration of Part 4019774 Heat Exchanger Assembly in Engine Systems

The part 4019774 Heat Exchanger Assembly is an integral component in the thermal management system of various engine setups. Its primary function is to facilitate the transfer of heat between two or more fluids without them coming into direct contact. This process is vital for maintaining optimal operating temperatures and ensuring the efficiency and longevity of the engine.

Role in the Cooling System

In the cooling system, the heat exchanger assembly works in conjunction with the radiator, water pump, and thermostat. As the engine operates, it generates a significant amount of heat. The coolant, a mixture of water and antifreeze, absorbs this heat as it circulates through the engine block and cylinder head. The heated coolant then flows into the heat exchanger assembly, where it transfers its thermal energy to the ambient air passing through the radiator. This cooling process allows the coolant to return to the engine at a lower temperature, ready to absorb more heat and continue the cycle.

Interaction with the Exhaust System

The heat exchanger assembly also plays a role in the exhaust system, particularly in turbocharged engines. In these setups, the assembly is often part of an intercooler system. As the turbocharger compresses the intake air, it becomes heated. The intercooler, which includes the heat exchanger assembly, cools this air before it enters the engine’s combustion chambers. This cooling effect increases the air density, allowing for more efficient combustion and improved engine performance.

Integration with the Lubrication System

In some engine designs, the heat exchanger assembly is incorporated into the oil cooling system. Engine oil can become excessively hot during operation, which can lead to a breakdown of its lubricating properties. The heat exchanger assembly helps to dissipate this heat by transferring it to a cooler fluid, such as the engine coolant. This ensures that the oil remains within its optimal temperature range, maintaining its viscosity and effectiveness in lubricating the engine’s moving parts.

Contribution to the Emissions Control System

Modern engines are equipped with various emissions control systems, such as Exhaust Gas Recirculation (EGR) and Selective Catalytic Reduction (SCR). The heat exchanger assembly can be part of these systems, helping to manage the temperature of the recirculated exhaust gases or the urea solution used in SCR. By maintaining the correct temperatures, the heat exchanger assembly ensures that these systems operate efficiently, reducing harmful emissions and complying with environmental regulations.

Synergy with the Cabin Heating System

The heat exchanger assembly also interacts with the cabin heating system. As the engine warms up, the heat exchanger transfers thermal energy to the cabin heater core. This core then warms the air blown into the passenger compartment, providing comfortable heating during cold weather.

Conclusion

In summary, the Cummins 4019774 Heat Exchanger Assembly is a versatile and essential component that enhances the performance, efficiency, and reliability of engine systems through effective thermal management. Its integration into various engine systems, including the cooling, exhaust, lubrication, and emissions control systems, underscores its importance in maintaining optimal engine operation and compliance with environmental regulations.


  1. Sclar, Deanna. Auto Repair for Dummies: 2nd Edition. For Dummies, 2008.

  2. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

  3. Giles, Tim. Automotive Engines Diagnosis Repair and Rebuilding. Cengage Learning, 2019.

SPECIFICATIONS

Package Dimensions
31.7 x 23.0 x 28.0 in
Weight
319 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.